Climate Insights for Aracaju

The climate in Aracaju is hot. The average annual temperature is 26°C and approximately 1028mm of precipitation falls per year. Aracaju receives a notable amount of rainfall throughout the year, including during its driest month. Aracaju is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: March, April, February. The coldest months are August, July, September, when temperatures can drop to 24°C.

Aracaju has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is March, when average highs reach 28°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 24°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Aracaju is a moderately rainy area, receiving approximately 1028mm of precipitation annually, which averages out to around 86mm per month. The wettest month is May, averaging 182mm of rainfall. June and July also tend to see above-average precipitation. The driest month is December, with just 34mm. That's 149mm less than May, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Aracaju is moderately windy, with an average annual wind speed of 24km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months.

It is currently autumn in Aracaju, which began on March 20, 2026. Aracaju is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in March at around 28°C, while the coldest stretch bottoms out in August near 24°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Aracaju is during August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 64mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 28°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Aracaju based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.